Dyfyniad APA

Wilkins, J. S. (2009). Defining species: A sourcebook from antiquity to today. P. Lang.

Dyfyniad Arddull Chicago

Wilkins, John S. Defining Species: A Sourcebook from Antiquity to Today. New York: P. Lang, 2009.

Dyfyniad MLA

Wilkins, John S. Defining Species: A Sourcebook from Antiquity to Today. P. Lang, 2009.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.